Description: Vector file of large culverts sourced from NYSDOT's Large Culvert Information System (LCIS). Locations based on NYS orthoimagery or NYSDOT referencer marker. Large Culverts in New York are defined as having a span between 5 feet and 20 feet. The file includes all large culverts that carry a state highway. Information on NYSDOT's large culvert inventory process and the attribute fields in this geodatabase is available from NYSDOT's Bridge Inventory Manual: https://www.dot.ny.gov/divisions/engineering/structures/manuals/bridge-inventory-manual